Page 374 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-1
MANIF OLDS & EX HAUST SYSTEMS - K SERIES KV6 REPAIRS
Front pipe - Non NAS
$% 30.10.09
Remove
1.Remove gear selector knob.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gear knob.
2.Release clips securing selector lever trim panel
to centre console and move trim panel aside.
3.Release and disconnect post catalyst HO2S
multiplug.
4.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
5.Release grommet and withdraw HO2S harness
multiplug through grommet aperture.6.Remove nut securing exhaust heat shield to
mounting bracket.
7.Remove 2 nuts securing heat shield to IRD
pinion housing.
8.Remove heat shield.
9.Remove 4 nuts securing front pipe flanges to
exhaust manifolds.
10.Release manifold flanges.
Page 375 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-2 REPAIRS
11.Remove 3 nuts securing front pipe to
intermediate pipe.
12.Release intermediate pipe from front pipe.
13.Remove gasket.
14.Remove exhaust front pipe.
15.Remove HO2S.Refit
1.Clean HO2S and mating face.
2.If refitting existing HO2S, apply anti-seize
compound to HO2S threads.
3.Fit HO2S and tighten to 55 Nm (41 lbf.ft)using
tool LRT-19-014.
4.Clean exhaust pipe and manifold flanges.
5.Fit exhaust front pipe.
6.Using new gasket, connect intermediate pipe to
front pipe, fit nuts and tighten to 50 Nm (37
lbf.ft).
7.Position LH exhaust manifold flange to front
pipe, fit and tighten nuts to 50 Nm (37 lbf.ft).
8.Position RH exhaust manifold flange to front
pipe, fit and tighten nuts to 50 Nm (37 lbf.ft).
9.Fit exhaust heatshield and fit nuts finger tight.
10.Tighten nut securing exhaust heatshield to
exhaust mounting bracket to 45 Nm (33 lbf.ft).
11.Tighten nuts securing exhaust heatshield to
pinion housing to 25 Nm (18 lbf.ft).
12.Feed HO2S harness through grommet aperture
and secure grommet.
13.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
14.Connect HO2S multiplug.
15.Fit trim panel and gaiter to centre console and
secure clips.
16.Fit gear selector knob.
+ AUTOMATIC GEARBOX - JATCO,
REPAIRS, Gear knob.
Page 376 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-3
Front pipe - NAS
$% 30.10.09
Remove
1.Disconnect battery earth lead.
2.Remove intermediate pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Intermediate
pipe - NAS.
3.Remove 3 bolts securing heat shield and
remove heat shield from front pipe.
4.Remove 2 bolts securing pipe clamp and
remove lower half of clamp.5.Remove 2 nuts securing front pipe to manifold.
6.Remove bolt securing front pipe to bracket and
remove front pipe. Discard gasket.
Refit
1.Clean front pipe and manifold mating faces.
2.Using a new gasket, fit front pipe and fit but do
not tighten nuts.
3.Fit bolt securing front pipe to bracket but do not
tighten.
4.Fit lower half of pipe clamp, fit bolts but do not
tighten.
5.Fit intermediate pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Intermediate
pipe - NAS.
6.Tighten nuts securing front pipe to manifold to
50 Nm (37 lbf.ft).
7.Tighten bolts securing clamp to 10 Nm (7 lbf.ft).
8.Tighten bolt securing front pipe to bracket to 25
Nm (18 lbf.ft).
9.Connect battery earth lead.
Page 377 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-4 REPAIRS
Intermediate pipe - Non NAS
$% 30.10.11
Remove
1.Raise vehicle on 4 post ramp.
2.Loosen tail pipe clamp nut and release tail pipe
from intermediate pipe.
3.Remove 3 nuts securing front pipe to
intermediate pipe.
4.Release intermediate pipe from front pipe.
5.Remove and discard gasket.
6.Release rubber mounting from intermediate
pipe.
7.With assistance release and remove
intermediate pipe.Refit
1.Clean intermediate pipe/silencer, front pipe and
tail pipe mating faces.
2.Fit new gasket to front pipe flange.
3.With assistance fit intermediate pipe to tail pipe
and front pipe.
4.Fit nuts to intermediate pipe flange and tighten
to 60 Nm (44 lbf.ft).
5.Tighten tail pipe clamp nut to 55 Nm (41 lbf.ft).
6.Fit intermediate pipe to rubber mounting.
7.Lower vehicle.
Page 378 of 1007
MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-5
Intermediate pipe - NAS
$% 30.10.11
Remove
1.Raise vehicle on 4 post ramp.
2.Remove tail pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Tail pipe &
silencer.
3.Remove 2 nuts securing intermediate pipe to
front pipe.
4.Loosen nut securing intermediate pipe clamp to
catalyst.
5.Release intermediate pipe from mounting.
6.Release and remove intermediate pipe.
7.Remove and discard gasket.Refit
1.Clean intermediate pipe and mating faces.
2.Fit new gasket to front pipe flange.
3.Fit intermediate pipe and connect mounting.
4.Tighten intermediate pipe flange nuts to 60 Nm
(44 lbf.ft).
5.Tighten clamp nut to 55 Nm (40 lbf.ft).
6.Fit tail pipe and silencer.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Tail pipe &
silencer.
7.Lower vehicle.
Page 380 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-7
Heat shield - A/C compressor - KV6 - NAS
$% 30.10.32
Remove
1.Disconnect battery earth lead.
2.Remove engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
3.Using a 3/8” square drive socket bar, raise
ancillary drive belt tensioner and release drive
belt from alternator pulley.
4.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
5.Remove 3 bolts securing A/C compressor to
fixing brackets and position compressor aside.
6.Remove compressor heat shield.Refit
1.Clean compressor and mounting bracket
mating faces.
2.Fit compressor heat shield.
3.Position compressor to mounting and align
heat shield. Fit and tighten bolts to 25 Nm (18
lbf.ft).
4.Using a 3/8" square drive socket bar, raise
ancillary drive belt tensioner and fit drive belt to
pulleys.
5.Fit underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
6.Fit engine acoustic cover.
+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
7.Connect battery earth lead.
M30 1142
Page 381 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
30-3-8 REPAIRS
Gasket - inlet manifold - LH
$% 30.15.08
Remove
1.Disconnect battery earth lead.
2.Drain cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
3.Remove fuel rail.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Fuel rail - KV6 - Non
NAS.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Fuel rail - KV6 - NAS.
4.Depress locking collar and release breather
hose from LH inlet manifold.
5.Release clip and disconnect coolant hose from
LH inlet manifold.
6.Progressively loosen and remove 7 bolts
securing LH inlet manifold to cylinder head.
7.Remove inlet manifold and discard gasket.Refit
1.Clean inlet manifold and cylinder head mating
faces.
2.Fit new inlet manifold gasket to cylinder head,
position inlet manifold, fit and tighten bolts to 25
Nm (18 lbf.ft).
3.Connect breather hose to LH inlet manifold.
4.Connect coolant hose to inlet manifold and
secure clip.
5.Fit fuel rail.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Fuel rail - KV6 - Non
NAS.
+ FUEL DELIVERY SYSTEM -
PETROL, REPAIRS, Fuel rail - KV6 - NAS.
6.Fill cooling system.
+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
7.Connect battery earth lead.
Page 382 of 1007

MANIFOLDS & EXHAUST SYSTEMS - K SERIES KV6
REPAIRS 30-3-9
Gasket - exhaust manifold - RH - Non
NAS
$% 30.15.16
Remove
1.Disconnect battery earth lead.
2.Release RH HO2S multiplug from coolant rail
bracket and disconnect multiplug.
3.Remove bolt securing upper RH engine steady
to top arm.
4.Loosen bolt securing upper RH engine steady
to body, pivot engine steady away from top
arm.
5.Raise vehicle on a ramp.
6.Remove underbelly panel.
+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
7.Remove exhaust front pipe.
+ MANIFOLDS & EXHAUST SYSTEMS
- K SERIES KV6, REPAIRS, Front pipe - Non
NAS.8.Remove bolt securing lower engine steady to
sump mounting bracket.
9.Loosen bolt securing lower engine steady to
subframe, pivot steady away from sump
mounting bracket.
10.Remove cable tie and release gear selector
cable from clip on body.
11.Remove 2 bolts securing IRD heat shield to
lower engine steady mounting bracket.
12.Remove nut securing heat shield to IRD pinion
housing.
13.Remove nut securing heat shield to IRD
housing and remove heat shield.
M30 0996
M12 6597